#VU89721 CRLF injection in Ivanti Connect Secure (formerly Pulse Connect Secure) and Ivanti Policy Secure (formerly Pulse Policy Secure)


Published: 2024-05-22

Vulnerability identifier: #VU89721

Vulnerability risk: Low

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38551

CWE-ID: CWE-93

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Server applications / Remote access servers, VPN
Ivanti Policy Secure (formerly Pulse Policy Secure)
Server applications / Remote access servers, VPN

Vendor:

Description

The vulnerability allows a remote user to inject arbitrary data in server response.

The vulnerability exists due to insufficient validation of attacker-supplied data. A remote privileged user can pass specially crafted data to the application containing CR-LF characters and modify application behavior, leading to cross-site scripting attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://forums.ivanti.com/s/article/Security-Advisory-May-2024?language=en_US
http://forums.ivanti.com/s/article/KB-Security-Advisory-Ivanti-Connect-Secure-Ivanti-Policy-Secure-May-2024?language=en_US


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability